Public water system record

Branger Mutual Water Company, Inc.

Serves an area of Sonoma County, CA · 300 people served

Federal records show 2 health-based violations and 1 monitoring/reporting issue for Branger Mutual Water Company, Inc. in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CA4900545
  • SANTA ROSA
  • CA
  • 300 served

System profile

Source water Groundwater
ZIP 95404
EPA system ID CA4900545

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
1
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Branger Mutual Water Company, Inc. draws water from 3 wells (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Arsenic, 0.14 mg/L, federal limit 0.01 mg/L (14 times the limit), 2021.
  • Most recent formal enforcement: compliance order (no penalty) by California, June 2021.
  • Record on file since 1980, with 0 health-based violations before October 19, 2016.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No
Arsenic
Contaminant limit exceeded
Measured 0.14 mg/L, federal limit 0.01 mg/L (14 times the limit)
330 Jan 1, 2021 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active

Full record since 1980

EPA's records for Branger Mutual Water Company, Inc. go back to 1980. Before October 19, 2016 they list no health-based violations and 11 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 8
1990s 0 2
2000s 0 1
2020s 2 1

Enforcement actions

California regulators took 2 formal enforcement actions against Branger Mutual Water Company, Inc. between 2002 and 2021. The most recent was a compliance order (no penalty) in June 2021.

Date By Action Violations covered
Jun 18, 2021 California Compliance order (no penalty) 1 violation (1 health-based): Arsenic
Jul 26, 2002 California Compliance order (no penalty) 1 violation: Total Coliform

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Arsenic

1 incident

Arsenic exceeded the federal limit

Long-term arsenic exposure is linked to cancer and cardiovascular effects

Where the water comes from

Branger Mutual Water Company, Inc. draws water from 3 wells (1 of them for emergency, seasonal or other part-time use).

Annual water quality report

Branger Mutual Water Company, Inc. must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Branger Mutual Water Company, Inc. for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.